DB50/T 995-2020 新增耕地质量评定技术规范

ICS13.080.01

B10

DB50

重庆市地方标准

DB50/T995—2020

新增耕地质量评定技术规范

TechnicalregulationforaddedCultivatedlandqualityassessment

2020-04-10发布2020-06-01实施

重庆市市场监督管理局发布

DB50/T995—2020

目  次

前言.....................................................................................................................................................................II

1范围.................................................................................................................................................................1

2规范性引用文件.............................................................................................................................................1

3术语和定义.....................................................................................................................................................1

3.1.....................................................................................................................................................................1

3.2.....................................................................................................................................................................1

3.3.....................................................................................................................................................................1

3.4.....................................................................................................................................................................1

4技术准备.........................................................................................................................................................2

4.1资料收集.................................................................................................................................................2

4.2划分评价单元.........................................................................................................................................2

5评定指标及权重.............................................................................................................................................2

5.1环境因素（权重占25%）......................................................................................................................2

5.2农田设施（权重占25%）......................................................................................................................2

5.3土壤属性（权重占50%）......................................................................................................................2

6评定方法.........................................................................................................................................................3

6.1现场调查踏勘.........................................................................................................................................3

6.2土壤样品采集与检测.............................................................................................................................3

6.3指标核定打分.........................................................................................................................................4

6.4合格标准与等级确定.............................................................................................................................4

7评定程序.........................................................................................................................................................4

7.1评定申请.................................................................................................................................................4

7.2登记录入.................................................................................................................................................4

7.3室内选点.................................................................................................................................................5

7.4现场作业.................................................................................................................................................5

7.5数据资料整理、样品制备.....................................................................................................................5

7.6化验检测.................................................................................................................................................5

7.7专家评定.....................................................................................................................................